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Mathematics, 26.01.2021 01:00 nxusasmangaliso8780

Laboratory tests show that the lives of light bulbs are normally distributed with a mean of 750 hours and a standard deviation with a mean of 750 hours and a standard deviation of 75 hours. find the probability that a randomly selected light bulb will last between 750 and 825 hours.

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Laboratory tests show that the lives of light bulbs are normally distributed with a mean of 750 hour...
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